9047657347968 has 128 divisors (see below), whose sum is σ = 24427398869280. Its totient is φ = 2966594125824.

The previous prime is 9047657347873. The next prime is 9047657347991. The reversal of 9047657347968 is 8697437567409.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 9047657347968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10023280 + ... + 10888592.

Almost surely, 2^{9047657347968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9047657347968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12213699434640).

9047657347968 is an abundant number, since it is smaller than the sum of its proper divisors (15379741521312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9047657347968 is a wasteful number, since it uses less digits than its factorization.

9047657347968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865776 (or 865764 counting only the distinct ones).

The product of its (nonzero) digits is 1920360960, while the sum is 75.

The spelling of 9047657347968 in words is "nine trillion, forty-seven billion, six hundred fifty-seven million, three hundred forty-seven thousand, nine hundred sixty-eight".